Diameter[直径] |
50 mm |
Thickness[厚度] |
3mm |
Atomic Properties(原子属性) |
Atomic number |
52 |
Atomic weight ( amu ) |
127.60000 |
Crystal structure |
Hexagonal |
Electronic structure |
Kr4d??5s?5p? |
Ionisation potential ( No./eV ) |
3 / 28.0 |
Ionisation potential ( No./eV ) |
4 / 37.4 |
Ionisation potential ( No./eV ) |
1 / 9.01 |
Ionisation potential ( No./eV ) |
6 / 70.7 |
Ionisation potential ( No./eV ) |
5 / 58.8 |
Ionisation potential ( No./eV ) |
2 / 18.6 |
Natural isotope distribution ( Mass No./% ) |
124 / 4.6 |
Natural isotope distribution ( Mass No./% ) |
125 / 7.0 |
Natural isotope distribution ( Mass No./% ) |
123 / 0.9 |
Natural isotope distribution ( Mass No./% ) |
126 / 18.7 |
Natural isotope distribution ( Mass No./% ) |
120 / 0.1 |
Natural isotope distribution ( Mass No./% ) |
128 / 31.7 |
Natural isotope distribution ( Mass No./% ) |
122 / 2.5 |
Natural isotope distribution ( Mass No./% ) |
130 / 34.5 |
Photo-electric work function ( eV ) |
4.80 |
Thermal neutron absorption cross-section ( Barns ) |
4.7000 |
Valences shown |
2 ,4,6 |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
16.750 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
820 |
Latent heat of fusion ( J g?? ) |
138.00 |
Melting point ( C ) |
450.00 |
Specific heat ( J K?? kg?? ) |
201.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
3.30 @0-100℃ |
Physical Properties(物理性质) |
Boiling point ( C ) |
990 |
Density ( g cm?? ) |
6.250 @20℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
1.6x10?@0℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) |
31.4 |
Hardness - Mohs ( Polycrystalline ) |
2.30 |
Material condition |
Polycrystalline |
Poisson's ratio ( Polycrystalline ) |
0.160 - 0.300 |
Tensile modulus ( GPa ) ( Polycrystalline ) |
47.10 |